EN CC490K (CuSn3Zn8Pb5-C) Leaded Brass
Copper Alloys
Property Overview
Density8.8g/cm³
Elastic Modulus110GPa
Tensile Strength180MPa
Yield Strength110MPa
Brinell Hardness76HB
Maximum Service Temperature160°C
Chemical Composition
C
CuSn3Zn8Pb5-C ( CC490K ) Copper-tin-lead alloy Chemical composition. Equivalents of CuSn3Zn8Pb5-C ( CC490K ). Standards.1 Mechanical Properties. Hardness%
NI
0 to 2.0%
SI
0 to 0.010%
P
0 to 0.050%
S
0 to 0.1%
CU
81 to 86%
AL
0 to 0.010%
PB
3.0 to 6.0%
SB
0 to 0.3%
SN
2.0 to 3.5%
ZN
7.0 to 9.5%
FE
0 to 0.5%
Mechanical
A - Min. elongation at fracture (%) (GS)
15
A - Min. elongation at fracture (%) (GZ) or (GC)
12
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
15 %
Poisson's Ratio
0.34
R p0.2 0.2% proof strength (MPa) (GS)
85
R p0.2 0.2% proof strength (MPa) (GZ) or (GC)
100
Rm - Tensile strength (MPa) (GS)
180
Rm - Tensile strength (MPa) (GZ) or (GC)
220
Shear Modulus
40 GPa
Tensile Strength: Ultimate (UTS)
230 MPa
Tensile Strength: Yield (Proof)
110 MPa
Hardness
Brinell Hardness
76
Brinell hardness (HBW): (GS)
60
Brinell hardness (HBW): (GZ) or (GC)
70
Physical
Density
8.8 g/cm 3
Thermal
Latent Heat of Fusion
190 J/g
Maximum Temperature: Mechanical
160 °C
Melting Completion (Liquidus)
980 °C
Melting Onset (Solidus)
910 °C
Specific Heat Capacity
370 J/kg-K
Thermal Conductivity
72 W/m-K
Thermal Diffusivity
22 mm 2 /s
Thermal Expansion
19 µm/m-K
Thermal Shock Resistance
8.2 points
Electrical
Electrical Conductivity: Equal Volume
16 % IACS
Electrical Conductivity: Equal Weight (Specific)
16 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
28 MJ/m 3
Resilience: Unit (Modulus of Resilience)
54 kJ/m 3
Stiffness to Weight: Axial
6.8 points
Stiffness to Weight: Bending
18 points
Strength to Weight: Axial
7.3 points
Strength to Weight: Bending
9.5 points
Environmental
Base Metal Price
30 % relative
Embodied Carbon
2.9 kg CO 2 /kg material
Embodied Energy
47 MJ/kg
Embodied Energy
47 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
340 L/kg
Embodied Water
340 L/kg 40 gal/lb
Registered Designations & Aliases
CC490KCuSn3Zn8Pb5-CCuSn3Zn8Pb5-CEN CC490K (CuSn3Zn8Pb5-C) Leaded Brass
Standards
EN 1982 EN 1982: 2008 Copper and copper alloys. Ingots and castings
EN 1982 EN 1982: Copper and copper alloys - Ingots and castings